21195483 has 8 divisors (see below), whose sum is σ = 28950096. Its totient is φ = 13785600.

The previous prime is 21195479. The next prime is 21195497. The reversal of 21195483 is 38459112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 21195483 - 2² = 21195479 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21195403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86038 + ... + 86283.

It is an arithmetic number, because the mean of its divisors is an integer number (3618762).

Almost surely, 2^21195483 is an apocalyptic number.

21195483 is a deficient number, since it is larger than the sum of its proper divisors (7754613).

21195483 is a wasteful number, since it uses less digits than its factorization.

21195483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172365.

The product of its digits is 8640, while the sum is 33.

The square root of 21195483 is about 4603.8552323026. The cubic root of 21195483 is about 276.7458428898.

The spelling of 21195483 in words is "twenty-one million, one hundred ninety-five thousand, four hundred eighty-three".